A Witch in Time, or, Something Wiccan This Way Comes

"Years back, a blood transfusion with a member of the undead left Christopher Csejthe a half-vampire. Since that time, he's gone mano y monster with zombies, werewolves, master vampires, an ancient Babylonian demon, voodoo queen Marie Leveau, the mad monk Rasputing and a couple of Great Old Ones. After saving New Orleans from total destruction and losing his family to another temporal realm, someone has killed him...again. It's old hat at this point for him. Awakened in a world he doesn't quite recognize, INTERPOL is interested in his associations with Dracula and a trio of witches from Greek myth want him dead--for good this time"--